| Index item | unit | data |
| 1.thickness tolerance（max.） | | |
| ≤1.6MM | | ±7.5
±5.0 |
| ＞1.6MM |
| 2.density ≤1.6MM | g/cm3 | 1.00-1.20 |
| ＞1.6MM-3.1MM | | 1.10-1.25
1.15-1.30 |
| ＞3.0MM-6.0MM |
| 3.tensile strength（mix.） | Mpa | |
| Longitudinal ≤1.6MM | | 100
105
110 |
| ＞1.6MM-3.0MM |
| ＞3.0MM-6.0MM |
| 4.tensile strength（mix.）traverse≤1.6MM | Mpa | 75 |
| ＞1.6MM-3.0MM | | 80
85 |
| ＞3.0MM-6.0MM |
| 5.elongation rate（mix.）longitudinal | ％ | 3.0 |
| 6.elongation rate（mix.）Traverse | ％ | 4.0 |
| 7.thrinkage（max.）longitudinal | ％ | 0.5 |
| Traverse | | 0.7
5.0 |
| Thickness |
| 8.moisture content（max.） | ％ | 6.0 |
| 9.ash content（max.） | ％ | 1.0 |
| 10.electricity conductivity（max.） | Ms/m | 8.0 |
| 11.PH of water extractives | | 6.0-9.0 |
| 12.electric breakdown strength（mix） | Kv/m | |
| In oil ≤1.6MM | | 40
35
30 |
| ＞1.6MM-3.0MM |
| ＞3.0MM-6.0MM |
